{"product_id":"new-yorker-cg40fn-gh-cg-40-dni-g2-96-000-btu-hot-water-boiler","title":"New Yorker CG40FN-GH (CG 40 DNI-G2) 96,000 BTU Hot Water Boiler","description":"\u003ch2\u003eUpgrade Your Home Comfort With The New Yorker CG40FN-GH (CG 40 DNI-G2) 96,000 BTU Cast-Iron Hot Water Gas Boiler\u003c\/h2\u003e\n\u003cp\u003e\nLooking for dependable \u003cstrong\u003eresidential steam heat\u003c\/strong\u003e for cast-iron radiators? The \u003cstrong\u003eNew Yorker CGS40-CNIH\u003c\/strong\u003e is a compact, \u003cstrong\u003egas-fired steam boiler\u003c\/strong\u003e built for reliability and easy service. With an \u003cstrong\u003e82% AFUE\u003c\/strong\u003e, durable \u003cstrong\u003ecast iron heat exchanger\u003c\/strong\u003e, and a factory vent damper for better efficiency, this \u003cstrong\u003e105,000 BTU class\u003c\/strong\u003e model delivers steady, even steam while keeping ownership simple for homeowners and contractors.\n\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e New Yorker\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e CGS40-CNIH (CGS40ANI-ME2)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Gas-Fired Steam Boiler\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel:\u003c\/strong\u003e Natural Gas (field-convertible to LP with kit up to 2,000 ft)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput (NG):\u003c\/strong\u003e 103,000 BTU\/h\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDOE Heating Capacity:\u003c\/strong\u003e 84,000 BTU\/h\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAFUE:\u003c\/strong\u003e 82%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIgnition:\u003c\/strong\u003e Electronic (intermittent), with factory vent damper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVenting:\u003c\/strong\u003e Chimney vent; built-in draft diverter (recommended min. chimney 5\" × 15 ft)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeat Exchanger:\u003c\/strong\u003e Cast Iron Sections with Metal Section Connectors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Content:\u003c\/strong\u003e 6.5 gal (steamable volume 5.0 gal)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e 2\" steam supply \/ 2\" return; 1\/2\" NPT gas; 5\" flue collar\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (W × D × H):\u003c\/strong\u003e 16\" × 28\" × 40-7\/16\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10-Year Limited Heat Exchanger Warranty (residential)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eReliable Cast Iron Construction\u003c\/h4\u003e\n\u003cp\u003e\nThe CGS40-CNIH uses a \u003cstrong\u003ecast iron heat exchanger\u003c\/strong\u003e for long service life in a steam environment. Metal section connectors and an insulated jacket help maintain efficiency and durability through years of winter use.\n\u003c\/p\u003e\n\n\u003ch4\u003eProven Steam Performance\u003c\/h4\u003e\n\u003cp\u003e\nRated at \u003cstrong\u003e63,000 BTU\/h Net IBR\u003c\/strong\u003e, this model delivers consistent steam for typical small-to mid-size homes. Its \u003cstrong\u003e82% AFUE\u003c\/strong\u003e efficiency and factory \u003cstrong\u003event damper\u003c\/strong\u003e reduce standby losses compared to older boilers.\n\u003c\/p\u003e\n\n\u003ch4\u003eSimple Chimney Venting\u003c\/h4\u003e\n\u003cp\u003e\nAs a \u003cstrong\u003eCategory I natural-draft\u003c\/strong\u003e boiler with a built-in draft diverter, the CGS40-CNIH installs on a standard lined masonry or listed metal chimney. Recommended minimum chimney size is \u003cstrong\u003e5\" diameter × 15 ft\u003c\/strong\u003e height.\n\u003c\/p\u003e\n\n\u003ch4\u003eElectronic Ignition \u0026amp; Safety Controls\u003c\/h4\u003e\n\u003cp\u003e\nAn \u003cstrong\u003eelectronic (intermittent) ignition\u003c\/strong\u003e lights the burner only when needed. Standard safety components include a \u003cstrong\u003eprobe-type low water cut-off\u003c\/strong\u003e, \u003cstrong\u003epressure limit control\u003c\/strong\u003e, and a \u003cstrong\u003e15 psi safety valve\u003c\/strong\u003e to help protect the system.\n\u003c\/p\u003e\n\n\u003ch4\u003eInstaller-Friendly Piping \u0026amp; Layout\u003c\/h4\u003e\n\u003cp\u003e\nWith \u003cstrong\u003e2\" steam supply\/return\u003c\/strong\u003e tappings, clear front\/side access, and a compact 16\" width, the CGS40-CNIH makes near-boiler piping and service straightforward. An optional \u003cstrong\u003enear-boiler piping kit\u003c\/strong\u003e is available for clean, code-compliant layouts.\n\u003c\/p\u003e\n\n\u003ch4\u003eLP Conversion Option\u003c\/h4\u003e\n\u003cp\u003e\nRunning propane? A factory \u003cstrong\u003eLP conversion kit\u003c\/strong\u003e is available for this model (use at elevations up to 2,000 ft). That flexibility is handy for homes without natural gas service.\n\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Features Contractors Appreciate\u003c\/h3\u003e\n\u003cp\u003e\nFully packaged design; insulated jacket to cut standby loss; blocked-vent and rollout safety switches; vent damper and draft hood included; clear tapping locations; and thorough documentation for sizing, venting, start-up, and maintenance. Pair with the optional near-boiler piping kit for fast, repeatable installations.\n\u003c\/p\u003e\n\u003cp\u003e Want to learn more about this boiler? Read more about it in our article on \u003ca href=\"https:\/\/plumbing-deals.com\/blogs\/plumbing-blog\/the-best-steam-boilers-of-2025-a-comprehensive-guide\"\u003ethe best steam boilers.\u003c\/a\u003e\u003c\/p\u003e","brand":"New Yorker","offers":[{"title":"Default Title","offer_id":43935261327411,"sku":"BURCG40FNGH","price":3342.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/burcg70fngh__1_7cc89114-8167-4137-a388-75cd158255e7.png?v=1770280168","url":"https:\/\/plumbing-deals.com\/products\/new-yorker-cg40fn-gh-cg-40-dni-g2-96-000-btu-hot-water-boiler","provider":"Plumbing Deals","version":"1.0","type":"link"}